/*******************************************************************************
 * Copyright 2012 Thomas Letsch
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 *******************************************************************************/
package com.googlecode.javaeeutils.jpa;

import java.util.Date;

import javax.persistence.MappedSuperclass;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.validation.constraints.Size;

@MappedSuperclass
public abstract class AuditableEntity extends PersistentEntity {

    @Temporal(TemporalType.TIMESTAMP)
    private Date updatedAt;

    @Size(max = 100)
    private String updatedBy;

    @PrePersist
    public void initializeAuditInfo() {
        Date now = new Date();
        updatedAt = now;
        updatedBy = DEFAULT_USER;
    }

    @PreUpdate
    public void updateAuditInfo() {
        Date now = new Date();
        updatedAt = now;
        updatedBy = DEFAULT_USER;
    }

    public Date getUpdatedAt() {
        return updatedAt;
    }

    public void setUpdatedAt(Date updatedAt) {
        this.updatedAt = updatedAt;
    }

    public String getUpdatedBy() {
        return updatedBy;
    }

    public void setUpdatedBy(String updatedBy) {
        this.updatedBy = updatedBy;
    }

}